John Herreshoff was an American yacht designer and builder, known for his innovative contributions to sailing and boat design in the late 19th and early 20th centuries. He was born on March 1, 1841, in Bristol, Rhode Island, and became famous for creating the Herreshoff Manufacturing Company, which produced numerous successful racing yachts. Herreshoff's designs included the America's Cup winner Reliance and the popular Herreshoff 12½ daysailer. His work emphasized speed, efficiency, and elegance, influencing modern yacht design significantly. He was also a pioneer in using lightweight materials and advanced construction techniques, leaving a lasting legacy in the world of sailing.